Schematic Diagram - Usb Section (1/2) (Dh3/Dh5Bt) - Sony HCD-DH7BT - Dvd Receiver For Cmtdh7bt Micro System Service Manual

HCD-DH3/DH5BT/DH7BT
Q Q
3 7 6 3
6-14. SCHEMATIC DIAGRAM – USB Section (1/2) (DH3/DH5BT) –
(1/2)
CN908
2P
VBUS-GND
VBUS-5V
C918
10
(Page 51)
C917
D905
220
MC2837
6.3V
D902
MC2837
C930
0
D901
MC2837
CN902
4P
FB901
(USB)
0
GND
D+
D-
VBUS
FB902
DO
USB-SI
CN904
USB-SO
7P
BOOT
AM0
T E TXD1
L 3
(NC) RXD1
BCK
RESET
A-IN
DVSS
GATE
VCC
REQ
ST-REQ
w w w
HCD-DH3/DH5BT/DH7BT
5
See page 56 for Waveforms.
C909
22p
R919 R916
100 0
X901
9MHz
C910
R917
22p
0
C912
10p
VBUS POWER ON/OFF SWITCH
IC915
R5523N001B-TR-F
EN OUT
GND
C916
FLG IN
0.1
C920
0.1
C913 0.1
R921
DVCC
100k
R920 10k C914 0.1
USBOC
R922 100k
USBPON
R925 15k R923 27
D+
R926 15k R924 27
D-
AM0
R928 0
NO USE
DVSS
DO
R981
DATA
100
CLOCK
TXD1
RXD1
NO USE
SDA
4 2 2 6 5 3
SCL
R932 100
BCK
R934 10k R933 0
DATA
GATE
C915 0.1
DVCC
R977 100
REQ
ST-REQ
G-1
R946
G-2
4.7k
DVSS
R948
4.7k
R901 C901 R949
10k 0.1 4.7k
x o
y
. i
http://www.xiaoyu163.com
5
8
See page 57 for IC Block Diagrams. See page 65 for IC Pin Function Description.
A12
A11
A10
A9
A8
C907
DVCC
0.1
DVSS
A7
A6
A5
USB CONTROLLER A4
IC901
A3
TMP92CD28AFG-
6UJ5
A2
A1
Q Q
A0
3 7 6 3
D15
D14
D13
D12
D11
D10
D9
D8
C906
DVCC
0.1
DVSS
C904
10
16V
C905
0.1
C902 C903
10 10
16V 16V
JR902
0
u 6 3
.
36 36
http://www.xiaoyu163.com
2 4
8
S-RAM
A12
IC921
IS61LV6416
A11
-10T
A10
A9
NC NC
A8 A7
A6 A7
A6
A5 A8
A5
A4 A9
A7 A4
A3 A10
RB923
A6
47 NC WE
D8
RB922
A5
I/O8 I/O7
D9
A4
I/O9 I/O6
D10
A3
I/O10 I/O5
D11
A2
I/O11 I/O4
A1
VDD GND
RB924
47 GND VDD
5 5 8 2 4
D15 D12
I/O12 I/O3
D14 D13
I/O13 I/O2
D13 D14
I/O14 I/O1
D12 D15
I/O15 I/O0
D11 LB
LB CE
D10 UB
UB A11
D9 RD
OE A12
D8 A3
A2 A13
A2
A1 A14
A1
A0 A15
C922 C921
0.1 0.1
m
c o
2
A1
A4
A2
A3
(Page 37)
A8
A9
A10
A11
WR
47
D7
D6
D5
D4
RB921
47
8 2
D3
D2
D1
D0
SRAM-CS
A12
A13
A14
A15
A16